Background: Healthcare organizations are now challenged to retain nurses' generation. Acquiring 
knowledge about the effect of level of perceived organizational support can help organizational leaders 
to deal effectively with dysfunctional behaviors and nursing staff burnout. Aim: To assess the 
relationship between organizational support and nursing staff burnout in critical care units. Design:
Descriptive correlational design was utilized. Research Question: What is the relationship between
organizational support and nursing staff burnout in critical care units? Sample: A convenient sample of
200 staff nurses. Tools: Three tools were utilized to collect data; Personal Data Questionnaire,
Perceived Organizational Support (POS) and The Maslach Burnout Inventory (MBI). Results: More
than half of the studied sample perceived moderate level related to total organizational support. In
addition, half of the studied sample had moderate level related to total burnout. Conclusion: there was
high significant negative coefficient correlation between total score of organizational support and total
score of burnouts in critical care units.